It has been going on for a year or so. I don't know what cycle it is. It lasts for a long time until the dishwasher cycle ends.
Oh, it's coming from the door? well that's not good then, it's the control module, this expensive $127.49 at the following link , http://www.searspartsdirect.com/partsdirect/part-number/WD21X10363/0022/363&pathTaken=partSearch&blt=14&prst=0 sorry give the bad news but that's what it is, thanks and well wishes, Bryan